Home / 28,698.31-39,622.80-17,959.51

Finding the Fourth Proportional to 28,698.31, 39,622.80 and 17,959.51

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Solution

The fourth proportional to 28,698.31, 39,622.80 and 17,959.51 is: 24,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.31 : 39,622.80 = 17,959.51 : x
  2. Step 2: Convert to fraction form
    28,698.31/39,622.80 = 17,959.51/x
  3. Step 3: Cross multiply
    28,698.31x = 39,622.80 × 17,959.51
  4. Step 4: Simplify right side
    28,698.31x = 711,606,072.83
  5. Step 5: Solve for x
    x = 711,606,072.83/28,698.31
  6. Step 6: Final answer
    x = 24,796.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.